Check out the best ways to dress a wound and learn how to perform CPR on various types of people.

3) Make fire.

“According to the U.S. Army Survival Manual, a fire can provide both physical and psychological comfort and security.â€ Besides the obvious uses of fire: warmth that prevents cold-related injuries, cooking, and signaling rescuers; fire can also purify water, sterilize bandages, and make tools and weapons.